The Trusteeship Council was established in 1945 by the UN Charter, under Chapter XIII, to provide international supervision for 11 Trust Territories that had been placed under the administration of 7 Member States, and ensure that adequate steps were taken to prepare the Territories for self-government and independence. By 1994, all Trust Territories had attained self-government or independence. The Trusteeship Council suspended operation on 1 November 1994. By a resolution adopted on 25 May 1994, the Council amended its rules of procedure to drop the obligation to meet annually and agreed to meet as occasion required — by its decision or the decision of its President, or at the request of a majority of its members or the General Assembly or the Security Council.